OSHA

/ˈoʊʃə/

//ˈoʊʃə// name

By · According to Wiktionary data (CC BY-SA) ·

"osha" is a 4-letter English headword indexed on PlainSpell.

The verdict

“OSHA” has 5 generated spelling variants in the English index at frequency #25,866. The variants make it a useful spelling check.

#25,866
frequency rank, English
1,431
“O” headwords
5
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Acronym of Occupational Safety and Health Administration.

Corpus desk

Index EN-osha · OSHA · English

OSHA · rank #25,866 · 5 variants · 20 confusables

  • FREQ-MID #25,866
  • LEN-MID 4 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-MID 5 variants
  • BOOK-MID 1,431
  • PHOTO-FINISH Osborn

Nearest frequency peer: Osborn (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rank peers near misspelling magnet “OSHA”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “OSHA” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

OSHA vs OST
50% similar
OSHA vs ova
0% similar
OSHA vs oss
0% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for OSHA
PropertyValue
HeadwordOSHA
LanguageEnglish
Part of speechProper noun
IPA/ˈoʊʃə/
Letters4
Frequency rank#25,866
Misspellings tracked5
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “OSHA”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).OSHAlands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “Osborn” (#25,865), “orthopedic” (#25,864), “outcast” (#25,868). Among 1,431 “O” headwords, “OSHA” is #25,866. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 5 spelling variants around OSHA (IPA /ˈoʊʃə/), aproper noun. Corpus frequency is #25,866 among 1,431 “O” headwords. Dominant gloss: "Acronym of Occupational Safety and Health Administration.".

Our generated misspelling index lists 5 likely wrong-spelling variants for OSHA, with forms such as "ohsa", "osah", and "oshha". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "OST", "ova", "oss", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Our source data has no etymology on file for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is OSHA, spelled O-S-H-A.

Definition

  1. 1
    Acronym of Occupational Safety and Health Administration.

Recorded use

Wiktionary example

These source excerpts show how OSHA appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Having conducted 15 negotiated rulemakings for five federal agencies, I expected OSHA to publish the rule in 2006.

Common misspellings

Also misspelled as:

  • ohsa
  • osah
  • oshha
  • ossha
  • soha

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of OSHA - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

ohsa2osah2oshha1ossha1soha2
Edit distance from "OSHA"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "OSHA"?
"OSHA" is spelled O-S-H-A. The IPA pronunciation is /ˈoʊʃə/.
What does "OSHA" mean?
As a proper noun, "OSHA" means: Acronym of Occupational Safety and Health Administration.
What words are commonly confused with "OSHA"?
"OSHA" is commonly confused with "OST", "ova", "oss". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "OSHA"?
The IPA (International Phonetic Alphabet) transcription for "OSHA" is /ˈoʊʃə/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "OSHA" come from?
"OSHA" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "OSHA", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 4 letters (nearest by frequency rank).

pane#25,874nbsp#25,856rout#25,914Saab#25,915

Similar misspelling depth

Headwords with a similar count of attested misspellings (5 here; floor ≥5).

pinot5 variantsJammu5 variantsJain5 variantsJace5 variants

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list